Click on the third or sixth rank to set the en passant target square.

EGTB: win in 6 half-moves

# move score
1 Rb5 win in 5 half-moves
2 Kbb3 draw
3 Kbb5 draw
4 Kcb3 draw
5 Kcb5 draw
6 Kcc3 draw
7 Kcc5 draw
8 Kd3 draw
9 Kd4 draw
10 Kd5 draw
11 Rb6 draw
12 Rb8 draw
13 Rc7 draw
14 Ka3 loss in 2 half-moves
15 Ka4 loss in 2 half-moves
16 Ka5 loss in 2 half-moves
17 Kbc3 loss in 2 half-moves
18 Kbc5 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves